diff options
Diffstat (limited to 'kernel/cooking.ml')
| -rw-r--r-- | kernel/cooking.ml | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/cooking.ml b/kernel/cooking.ml index b9e7ec1691..852f87d5e9 100644 --- a/kernel/cooking.ml +++ b/kernel/cooking.ml @@ -184,13 +184,14 @@ let lift_univs cb subst = if (Univ.LMap.is_empty subst) then subst, (Polymorphic_const auctx) else - let inst = Univ.AUContext.instance auctx in let len = Univ.LMap.cardinal subst in - let subst = - Array.fold_left_i - (fun i acc v -> Univ.LMap.add (Level.var i) (Level.var (i + len)) acc) - subst (Univ.Instance.to_array inst) + let rec gen_subst i acc = + if i < 0 then acc + else + let acc = Univ.LMap.add (Level.var i) (Level.var (i + len)) acc in + gen_subst (pred i) acc in + let subst = gen_subst (Univ.AUContext.size auctx - 1) subst in let auctx' = Univ.subst_univs_level_abstract_universe_context subst auctx in subst, (Polymorphic_const auctx') |